.wait{
    // background-image: url(../../images/b1.jpg);
    // background-repeat: no-repeat;
    width: 100%;
    min-height: 100%;
    _height:100%;

    display: flex;
    align-items: center;        /* 垂直居中 */
    justify-content: center;    /* 水平居中 */

    .wait-content{
        width: 5rem;
        height: 5rem;
        border:6px solid #161616;   
        border-right:6px solid transparent;
        border-radius: 50%;
        animation: scaleBorder 2s  linear infinite;
    }
    .wait-content2{
        width: 3rem;
        height: 3rem;
        border:5px solid #161616;   
        border-left:5px solid transparent;
        border-radius: 50%;
        position: relative;
        top:0.65em;
        left: 0.65em;
        animation: scaleBorder 1.5s  linear infinite;
    }
    .wait-content3{
        width: 1rem;
        height: 1rem;
        border:4px solid #161616;   
        border-top:4px solid transparent;
        border-radius: 50%;
        position: relative;
        top:0.65em;
        left: 0.65em;
        animation: scaleBorder 2s  linear infinite;
    }
    .title{
        position: absolute;
        bottom: 15rem;
        font-size: 1.2rem;
    }
    @media screen and (max-width: 360px) {
        .title{
            position: absolute;
            bottom: 12rem;
            font-size: 1.2rem;
        }
    }
    
}

@keyframes scaleBorder{
    0%   {transform: rotate(0deg)}
    100% {transform: rotate(360deg)}
}